After losing Ju Young from exactly the same accident as hers before the reset, Ga Hyeon decides to find the driver who killed her friend. While doing so, she gets this feeling where Lee Shin seems quite familiar with the recent series of happenings. Just when Ga Hyeon and Hyeong Ju were on the verge of finding the evidence, they come across the murderer, not alive but dead.

After the investigation at the police station, Ga Hyeon helps Hyeong Ju track down Bae Jung Tae, who might hold the key to recent mysterious deaths of fellow resetters. Although they are yet to locate Bae Jung Tae's whereabouts, Ga Hyeon finds something weird about Lee Shin's phone number at Bae Jung Tae's place.